I've done it. It's as easy as unbolting one, and bolting on the new one. Check out my profile pics if you want to see it.
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C&L 80mm mass air and True Flow pipe, Mac CAI, BBK 65mm tb, Steeda non-piggy back ud pulleys, MGW shifter, RAM HD clutch and aluminum flywheel, 3:73 gears, 2.5" Dynomax o/r x pipe, 3" MAC cat back system w/ 3 1/2" tips, Kenny Brown(front and rear strut tower brace, caster plates, subframe connectors,extreme matrix brace,jacking rails, torque brace, lowering springs), Bilstein shocks, 03-04 Cobra(side scoops, rear bumper cover, top), 6pt roll cage, white FR500's, FMS 2000 Cobra R air dam.
yomadmike I noticed you replaced the back bumper. The front bumper you have is the oem for our model. Were you talking about the front or back that you replaced? It does look good though. I am tired of people asking me whether or not mine is cobra just because it has mustang on the back bumper. I would do the back but I don't think that it will look good due to the side exhaust. The 03 has the indent for the exhaust.
yomadmike I noticed you replaced the back bumper. The front bumper you have is the oem for our model. Were you talking about the front or back that you replaced? It does look good though. I am tired of people asking me whether or not mine is cobra just because it has mustang on the back bumper. I would do the back but I don't think that it will look good due to the side exhaust. The 03 has the indent for the exhaust.
I left the front because I have an OEM Cobra R splitter.
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C&L 80mm mass air and True Flow pipe, Mac CAI, BBK 65mm tb, Steeda non-piggy back ud pulleys, MGW shifter, RAM HD clutch and aluminum flywheel, 3:73 gears, 2.5" Dynomax o/r x pipe, 3" MAC cat back system w/ 3 1/2" tips, Kenny Brown(front and rear strut tower brace, caster plates, subframe connectors,extreme matrix brace,jacking rails, torque brace, lowering springs), Bilstein shocks, 03-04 Cobra(side scoops, rear bumper cover, top), 6pt roll cage, white FR500's, FMS 2000 Cobra R air dam.
03-04 bumper on my 99 
